[PATCHv1, RFC 11/33] thp: allow splitting non-shmem file-backed THPs
From: Kirill A. Shutemov <hidden>
Date: 2016-07-26 00:35:13
Also in:
linux-block, linux-fsdevel, linux-mm, lkml
Subsystem:
memory management, memory management - thp (transparent huge page), the rest · Maintainers:
Andrew Morton, David Hildenbrand, Lorenzo Stoakes, Linus Torvalds
split_huge_page() is ready to handle file-backed huge pages, we only need to remove one guarding VM_BUG_ON_PAGE(). Signed-off-by: Kirill A. Shutemov <redacted> --- mm/huge_memory.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index c1444a99a583..7f1271c38cb9 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c@@ -2004,7 +2004,6 @@ int split_huge_page_to_list(struct page *page, struct list_head *list) VM_BUG_ON_PAGE(is_huge_zero_page(page), page); VM_BUG_ON_PAGE(!PageLocked(page), page); - VM_BUG_ON_PAGE(!PageSwapBacked(page), page); VM_BUG_ON_PAGE(!PageCompound(page), page); if (PageAnon(head)) {
--
2.8.1
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